Which of the following Phyla of plants is the most primitive? Question 5 options: Phylum Coniferophyta (an example is pine) Phylum Pteridophyta (an example is horsetails) false Phylum Anthophyta (an example is angiosperms) Phylum Bryophyta (an example is moss)

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?